<?php

class DefaultController extends YBackController
{
	/**
	 * Displays a particular model.
	 * @param integer $id the ID of the model to be displayed
	 */
	public function actionView($id)
	{
		$this->render('view',array(
			'model'=>$this->loadModel($id),
		));
	}

	/**
	 * Creates a new model.
	 * If creation is successful, the browser will be redirected to the 'view' page.
	 */
	public function actionCreate()
	{
		$model=new Contest;

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['Contest']))
		{
			$model->attributes=$_POST['Contest'];
			if($model->save())
				$this->redirect(array('view','id'=>$model->id));
		}

		$this->render('create',array(
			'model'=>$model,
		));
	}

	/**
	 * Updates a particular model.
	 * If update is successful, the browser will be redirected to the 'view' page.
	 * @param integer $id the ID of the model to be updated
	 */
	public function actionUpdate($id)
	{
		$model=$this->loadModel($id);

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['Contest']))
		{
			$model->attributes=$_POST['Contest'];
			if($model->save())
				$this->redirect(array('view','id'=>$model->id));
		}

		$this->render('update',array(
			'model'=>$model,
		));
	}

	/**
	 * Deletes a particular model.
	 * If deletion is successful, the browser will be redirected to the 'admin' page.
	 * @param integer $id the ID of the model to be deleted
	 */
	public function actionDelete($id)
	{
		if(Yii::app()->request->isPostRequest)
		{
			// we only allow deletion via POST request
			$this->loadModel($id)->delete();

			// if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
			if(!isset($_GET['ajax']))
				$this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : array('admin'));
		}
		else
			throw new CHttpException(400,'Invalid request. Please do not repeat this request again.');
	}

	/**
	 * Lists all models.
	 */
	public function actionIndex()
	{
		$dataProvider=new CActiveDataProvider('Contest');
		$this->render('index',array(
			'dataProvider'=>$dataProvider,
		));
	}

	/**
	 * Manages all models.
	 */
	public function actionAdmin()
	{
		$model=new Contest('search');
		$model->unsetAttributes();  // clear any default values
		if(isset($_GET['Contest']))
			$model->attributes=$_GET['Contest'];

		$this->render('admin',array(
			'model'=>$model,
		));
	}

	/**
	 * Returns the data model based on the primary key given in the GET variable.
	 * If the data model is not found, an HTTP exception will be raised.
	 * @param integer the ID of the model to be loaded
	 */
	public function loadModel($id)
	{
		$model=Contest::model()->findByPk((int)$id);
		if($model===null)
			throw new CHttpException(404,'The requested page does not exist.');
		return $model;
	}

	/**
	 * Performs the AJAX validation.
	 * @param CModel the model to be validated
	 */
	protected function performAjaxValidation($model)
	{
		if(isset($_POST['ajax']) && $_POST['ajax']==='contest-form')
		{
			echo CActiveForm::validate($model);
			Yii::app()->end();
		}
	}
	
	public function actionDeleteImage($id)
	{
		if(Yii::app()->request->isPostRequest)
		{
			ImageToContest::model()->findByPk((int)$id)->delete();

			if(!isset($_GET['ajax']))
			{
				$this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : array('admin'));
			}
			
		}
		else
		{
	        throw new CHttpException(400,'Invalid request. Please do not repeat this request again.');		
		}
	}
	
	public function actionAddImage($contestId)
	{		
		$contest = $this->loadModel((int)$contestId);

		$image   = new Image();

		if(Yii::app()->request->isPostRequest)
		{
			$transaction = Yii::app()->db->beginTransaction();

            try
            {
		 		$image = $image->create($_POST['Image']);           

				if(!$image->hasErrors())
				{					
					if($contest->addImage($image))
					{
						Yii::app()->user->setFlash(FlashMessagesWidget::NOTICE_MESSAGE,Yii::t('contest','Фотография добавлена!'));				
					}
					
                    $transaction->commit();				

                    $this->redirect(array('/contest/default/view/','id' => $contest->id ));
				}

				throw new CDbException(Yii::t('contest','При добавлении изображения произошла ошибка!'));
			}
			catch(Exception $e)
			{
				$transaction->rollback();

				Yii::app()->user->setFlash(FlashMessagesWidget::ERROR_MESSAGE,Yii::t('contest',$e->getMessage()));
			}

			$this->redirect(array('/contest/default/addImage/','id' => $contest->id ));
		}

		$this->render('addImage',array('contest' => $contest,'model' => $image));
	}
}
